Sierra’s 18-1165 Tapered Roller Bearing is designed for use with MC-I, R, MR, Alpha One, SS and Gen II engines 0F679999 and below. It is interchangeable with GLM 21510, Mallory 9-75117, and Mercruiser Stern Drive 31-61100A1. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use with MC-I, R, MR, Alpha One, SS and Gen II engines 0F679999 and below
Interchangeable with GLM 21510, Mallory 9-75117, and Mercruiser Stern Drive 31-61100A1
Includes one bearing per package
Each Sierra product meets or exceeds the original equipment part it replaces
